or res·or·cin

[ ri-zawr-suh-nawl, -nol or ri-zawr-sin; rez-awr- ]
/ rɪˈzɔr səˌnɔl, -ˌnɒl or rɪˈzɔr sɪn; rɛzˈɔr- /

noun Chemistry, Pharmacology.

a white, needlelike, water-soluble solid, C6H6O2, a benzene derivative originally obtained from certain resins, now usually synthesized: used chiefly in making dyes, as a reagent, in tanning, in the synthesis of certain resins, and in medicine in treating certain skin conditions; meta-dihydroxybenzene.

Origin of resorcinol

First recorded in 1880–85; res(in) + orcinol Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for resorcinol

  • The other compound, resorcinol, was known to chemistry ten years before it was utilized as a source of colouring-matters.

    Coal|Raphael Meldola
  • The dye introduced by Caro in 1874 is the brominated phthaleïn of resorcinol.

    Coal|Raphael Meldola

British Dictionary definitions for resorcinol

/ (rɪˈzɔːsɪˌnɒl) /


a colourless crystalline phenol with a sweet taste, used in making dyes, drugs, resins, and adhesives. Formula: C 6 H 4 (OH) 2; relative density: 1.27; melting pt: 111°C; boiling pt at 1 atm.: 276°C

Derived forms of resorcinol

resorcinal, adjective

Word Origin for resorcinol

C19: New Latin, from resin + orcinol
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for resorcinol

[ rĭ-zôrsə-nôl′, -nōl′ ]


A white crystalline compound used primarily as an antiseptic in skin diseases such as psoriasis or eczema, but also used in the treatment of nausea, asthma, whooping cough, and diarrhea.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.